/Engine/Source/Developer/MeshUtilities/Public/MeshUtilities.h
Build adjacency information for the skeletal mesh used for tessellation.
void BuildSkeletalAdjacencyIndexBuffer ( const [TArray](API\Runtime\Core\Containers\TArray)< struct [FSoftSkinVertex](API\Runtime\Engine\Rendering\FSoftSkinVertex) > & VertexBuffer, const uint32 TexCoordCount, const [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & Indices, [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & OutPnAenIndices )